Linux: vi commands

Linux: vi commands

Linux: vi commands 150 150 Roderick Derks

A list containing commands to use with the linux vi editor.

 

Starting

    * vi /filename/…..start vi, edit specified file
    * vi -R /filename/..start vi read-only, edit specified file
    * view /filename/…start vi read-only, edit specefied file

Stopping

    * :q!……………stop without saving data
    * zz…………….save data and stop
    * :wq……………save data and stop
    * :x…………….save data and stop

Recovering After System Failure

    * vi -r ………….display names of files that can be recovered
    * vi -r /filename/…start vi, recover specified file

Controlling the Display

    * ^L…………….redisplay the current screen
    * :set number ……display internal line numbers
    * :set nonumber…..do not display internal line numbers

Moving the Cursor

    * h……………..move cursor one position left
    * j……………..move cursor one position down
    * k……………..move cursor one position up
    * l……………..move cursor one position right
    * LEFT…………..move cursor one position left
    * DOWN…………..move cursor one position down
    * UP…………….move cursor one position up
    * RIGHT………….move cursor one position right
    * BACKSPACE………move cursor one position left
    * SPACE………….move cursor one position right
    * -……………..move cursor to beginning of previous line
    * +……………..move cursor to beginning of next line
    * RETURN…………move cursor to beginning of next line
    * O……………..move cursor to begining of current line
    * $……………..move cursor to end of current line
    * ^……………..move cursor to first non-space/tab in current line
    * w……………..move cursor forward to first character of next word
    * e……………..move cursor forward to last character of next word
    * b……………..move cursor backward to first character of previous word
    * W……………..same as w; ignore punctuation
    * E……………..same as e; ignore punctuation
    * B……………..same as b; ignore punctuation
    * )……………..move forward to next sentence beginning
    * (……………..move backward to previous sentence beginning
    * }……………..move forward to next paragraph beginning
    * {……………..move backward to previous paragraph beginning
    * H……………..move cursor to top line
    * M……………..move cursor to middle line
    * L……………..move cursor to last line

Moving Through the Editing Buffer

    * ^F…………….move down(forward) one screenful
    * ^B…………….move up(backward) one screenful
    * n^F……………move down n screenfuls
    * n^B……………move up n screenfuls
    * ^D…………….move down a half screenful
    * ^U…………….move up a half a screenful
    * n^D……………move down n lines
    * n^U……………move up n lines

Searching for a Pattern

    * /rexp………….search forward for specified regular expression
    * /……………..repeat forward search for previous pattern
    * ?rexp………….search backward for specified regular expression
    * ?……………..repeat backward search for previous pattern
    * n……………..repeat last / or ? command, same direction
    * N……………..repeat last / or ? ? command, opposite direction

Special Characters to Use in Regular Expressions

    * /./……………match any single character except newline
    * *……………..match zero or more of the preceding characters
    * ^……………..match the beginning of a line
    * $……………..match the end of a line
    * /<…………….match the beginning of a word
    * />…………….match the end of a word
    * []…………….match one of the enclosed characters
    * [^]……………match any character taht is not enclosed
    * \……………..interpret the following symbol literally

Line Numbers

    * nG…………….jump to line number n
    * 1G…………….jump to first line in editing buffer
    * G……………..jump to last line in editing buffer
    * :map g1G……….define macro so g will be the same as 1G

Inserting

    * i……………..change to insert mode: insert before cursor position
    * a……………..change to insert mode: insert after cursor position
    * I……………..change to insert mode: insert at start of current line
    * A……………..change to insert mode: insert at end of current line
    * o……………..change to insert mode: open below current line
    * O……………..change to insert mode: open above current line
    * ESCAPE…………leave insert mode, change to command mode

Making Changes

    * r……………..replace exactly 1 character (do not enter input mode)
    * R……………..replace by typing over
    * s……………..replace 1 character by insertion
    * C……………..replace from cursor to end of line by insertion
    * cc…………….replace entire current line by insertion
    * S……………..replace entire current line by insertion
    * cmove………….replace from cursor to move by insertion
    * ~……………..change the case of a letter

Replacing a Pattern

    * :s/pattern/replace/………….substitute, current line
    * :lines/pattern/replace/ ……..substitute, specified line
    * :line, lines/pattern/replace/..substitute, specified range
    * :%s/pattern/replace/………..substitute, all lines

Undoing or Repeating a Change

    * u……………..undo last command that modified the editing buffer
    * U……………..restore current line
    * /./……………repeat last command that modified the editing buffer

Controlling the Length of Lines

    * rReturn………..replace a character with a newline
    * J……………..join lines
    * :set wm=n………auto line break within n positions of right margin

Deleting

    * x……………..delete character at cursor
    * X……………..delete character to left of cursor
    * D……………..delete from cursor to end of line
    * dd…………….delete entire current line
    * dmove ………….delete from cursor to move
    * dG…………….delete from current line to end of editing buffer
    * d1G……………delete from current line to start of editing buffer
    * :/lined/……….delete specified line
    * :/line/, /lined/..delete specified range

Copying the Last Deletion

    * P……………..copy buffer; insert after/below cursor
    * p……………..copy buffer; insert before/above cursor
    * xp…………….transpose two characters
    * deep…………..transpose two words(start to the left of first word)
    * ddp……………transpose two lines

Copying and Moving Lines

    * :linecotarget………copy specified line; insert below target
    * :line, linecotarget…copy specified range; inster below target
    * :linemtarget……….move specified line; insert below target
    * :line,linemtarget move.specified range; insert below target

Executing Shell Commands

    * :!command………..pause vi, execute specified shell command
    * :!!……………..pause vi, execute previous shell command
    * :sh……………..pause vi, start a shell
    * :!csh ……………pause vi, start a new C-Shell

Reading Data

    * :liner file ………insert contents of file after specified line
    * :r file…………..insert contents of file after current line
    * :liner !command……insert output of command after specified line
    * :r !command ………insert output of command after current line
    * :r !look pattern…..insert words that begin with specified pattern

Using Shell Commands to Process Data

    * n!!command………..execute command on n lines
    * !move command……..execute command from cursor to move
    * !movefmt………….format lines from cursor to move

Writing Data

    * :w……………….write data to original file
    * :w file…………..write data to specified file
    * :w>> file…………append data to specified file

Changing the File While Editing

    * :e file…………..edit the specified file
    * :e! file………….edit the specified file, omit automatic check

Abbreviations

    * :ab short long….set short as an abbreviation for long
    * :ab……………display current abbreviations
    * :una short……..cancel abbreviation short 

Roderick Derks

Liefhebber van fietsen, van het oplossen van IT puzzels, en van het delen van informatie om anderen te helpen.

All stories by:Roderick Derks

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